/// <summary>
/// Use JsonValue as JsonObject and get JsonValue item by key.
/// return null if not found key.
/// </summary>
public JsonValue AsObjectGet(string key)
{
DebugTool.Assert(this.type == JsonType.Object, "JsonValue type is not Object !");
var dict = this.objectValue as Dictionary <string, JsonValue>;
if (dict.TryGetValue(key, out var jsonValue))
{
return(jsonValue);
}
else
{
return(null);
}
}
/// <summary>
/// Parse JsonArray.
/// </summary>
private static JsonValue ParseArray(Data data)
{
var jsonArray = new List <JsonValue>(JsonArrayInitCapacity);
// skip '['
data.index++;
do
{
SkipWhiteSpace(data);
if (data.json[data.index] == ']')
{
break;
}
// add JsonArray item
jsonArray.Add(ParseValue(data));
SkipWhiteSpace(data);
if (data.json[data.index] == ',')
{
data.index++;
}
else
{
DebugTool.Assert
(
data.json[data.index] == ']',
"Json ParseArray error, char '{0}' should be ']' ",
data.json[data.index]
);
break;
}
}while (true);
// skip ']'
data.index++;
return(new JsonValue(JsonType.Array, jsonArray));
}
/// <summary>
/// Get JsonValue as bool.
/// </summary>
public bool AsBool()
{
DebugTool.Assert(this.type == JsonType.Bool, "JsonValue type is not Bool !");
return(this.numberValue > 0.0f);
}
/// <summary>
/// Get JsonValue as int.
/// </summary>
public int AsInt()
{
DebugTool.Assert(this.type == JsonType.Number, "JsonValue type is not Number !");
return((int)this.numberValue);
}
/// <summary>
/// Get JsonValue as float.
/// </summary>
public float AsFloat()
{
DebugTool.Assert(this.type == JsonType.Number, "JsonValue type is not Number !");
return(this.numberValue);
}
//----------------------------------------------------------------------------------------------------------------------
#region Other Json value API
/// <summary>
/// Get JsonValue as string.
/// </summary>
public string AsString()
{
DebugTool.Assert(this.type == JsonType.String, "JsonValue type is not String !");
return(this.objectValue as string);
}
/// <summary>
/// Use JsonValue as JsonArray and get JsonValue item by index.
/// </summary>
public JsonValue AsArrayGet(int index)
{
DebugTool.Assert(this.type == JsonType.Array, "JsonValue type is not Array !");
return((this.objectValue as List <JsonValue>)[index]);
}
//----------------------------------------------------------------------------------------------------------------------
#region JsonArray API
/// <summary>
/// Use JsonValue as JsonArray.
/// </summary>
public List <JsonValue> AsArray()
{
DebugTool.Assert(this.type == JsonType.Array, "JsonValue type is not Array !");
return(this.objectValue as List <JsonValue>);
}
//----------------------------------------------------------------------------------------------------------------------
#region JsonObject API
/// <summary>
/// Use JsonValue as JsonObject.
/// </summary>
public Dictionary <string, JsonValue> AsObject()
{
DebugTool.Assert(this.type == JsonType.Object, "JsonValue type is not Object !");
return(this.objectValue as Dictionary <string, JsonValue>);
}
/// <summary>
/// Parse JsonObject.
/// </summary>
private static JsonValue ParseObject(Data data)
{
var jsonObject = new Dictionary <string, JsonValue>(JsonObjectInitCapacity);
// skip '{'
data.index++;
do
{
SkipWhiteSpace(data);
if (data.json[data.index] == '}')
{
break;
}
DebugTool.Assert
(
data.json[data.index] == '"',
"Json ParseObject error, char '{0}' should be '\"' ",
data.json[data.index]
);
// skip '"'
data.index++;
var start = data.index;
while (true)
{
switch (data.json[data.index++])
{
// check end '"'
case '"':
break;
case '\\':
// skip escaped quotes
data.index++;
continue;
default:
continue;
}
// already skip the end '"'
break;
}
// get object key string
var key = data.json.Substring(start, data.index - start - 1);
SkipWhiteSpace(data);
DebugTool.Assert
(
data.json[data.index] == ':',
"Json ParseObject error, after key = {0}, char '{1}' should be ':' ",
key,
data.json[data.index]
);
// skip ':'
data.index++;
// set JsonObject key and value
jsonObject.Add(key, ParseValue(data));
SkipWhiteSpace(data);
if (data.json[data.index] == ',')
{
data.index++;
}
else
{
DebugTool.Assert
(
data.json[data.index] == '}',
"Json ParseObject error, after key = {0}, char '{1}' should be '}' ",
key,
data.json[data.index]
);
break;
}
}while (true);
// skip '}' and return after '}'
data.index++;
return(new JsonValue(JsonType.Object, jsonObject));
}
